Seiko Quartz Watch Caliber Specifications and Battery Guide
This document provides detailed specifications for various Seiko quartz watch calibers, including power consumption, coil resistance, output signal, time accuracy, measuring gate, and battery life.
Introduction
This guide serves as a reference for Seiko quartz watch calibers, offering essential technical data for maintenance and identification. It covers a wide range of calibers used in watches from brands such as Lassale, Seiko, Pulsar, Alba, and Lorus.
Analogue Quartz Calibers
The following tables detail the specifications for various analogue quartz watch movements:
| Cal. No. | Mov't | Current Consumption (μA) | Circuit Block | Coil Block Resistance (kΩ) | Output Signal (second) | Time Accuracy (sec./month) | Measuring Gate by Quartz Tester | Battery Life (Year) | Battery No. |
|---|---|---|---|---|---|---|---|---|---|
| 08 0822, 0823 | 11.0 | 5.5 | 2.4~4.5 | 1 | ±15 | 1 | SEIKO SR43SW M/SR43SW, E301 | ||
| 0841, 0842 | 5.5 | 2.5 | 3.5~5.5 | 1 | ±15 | 1 | |||
| 0843 | 5.5 | 2.5 | 3.5~5.5 | 1 | ±10 | 2 | |||
| 0852, 0853 | 5.5 | 2.5 | 3.5~5.5 | 1 | ±10 | 2 | |||
| 09 0903, 0920, 0922 0923 | 5.0 | 2.5 | 1.5~3.5 | 1 | ±15 | 2 | |||
| 1E 1E20, 1E50, 1E70 | 0.3 | 1.6~2.8 | ±15 | 10 seconds | 2 | SEIKO SR512SW M Matsushita SR512SW | |||
| 1F 1F20 | 0.3 | 0.25 | 2.0~2.6 | 20 | ±15 | 10 seconds | 3 | SEIKO SR416SW M SR416SW | |
| 1F21 | 0.7 | 0.25 | 3.4~4.1 | 1 | ±15 | 10 seconds | 2 | SEIKO SR421SW (M) SR421SW | |
| 1M 1M20A | 0.19 | 0.16 | 1.5~1.9 | 20 | ±15 | 10 seconds | Electrocity Storage Unit | ||
| 1N 1N00 | 0.3 | 0.25 | 1.7~2.3 | 20 | ±20 | 10 seconds | 3 | SEIKO SR516SW M/S SR516SW Matsushita SR516SW | |
| 1N01 | 0.9 | 0.25 | 2.7~3.3 | 1 | ±20 | 10 seconds | 2 | SEIKO SR521SW M/SSR521SW, 379 Matsushita SR521SW | |
| 12 1220, 1230, 1270 | 0.4 | 0.3 | 1.9~2.9 | 20 | ±15 | 10 seconds | 3 | SEIKO SR616SW M/SSR616SW | |
| 1221, 1231, 1271 | 0.85 | 0.3 | 2.8~3.8 | 1 | ±15 | 2 | Matsushita SR616SW | ||
| 13 1320 | 0.6 | 0.5 | 1.4~3.4 | 10 | ±15 | 10 seconds | 3 | SEIKO SR621SW | |
| 14 1400, 1400C | 0.5 | 0.45 | 1.5~3.5 | 10 | ±15 | 10 seconds | 3 | M/S SR621SW, E364 | |
| 1421 | 0.8 | 0.5 | 2.5~4.5 | 1 | ±15 | 2 | Matsushita SR621SW | ||
| 1428 | 0.9 | 0.5 | 2.5~4.5 | 1 | ±15 | 2 | |||
| 16 1600, 1609 | 2.8 | 1.2 | 1.5~3.5 | 2.5 | ±20 | 10 seconds | 2 | SEIKO SR41SW M/S SR41SW, E 384 | |
| 2A 2A27 | 1.1 | 0.6 | 2.3~2.8 | 1 | ±15 | 2 | SEIKO SR927SW | ||
| 2A22, 2A23, 2A24, 2A29, 2A32, 2A52, 2A54, 2A59 | 1.0 | 0.6 | 2.8~3.4 | 1 | ±15 | 2.5 | M/SSR927SW, 364 Matsushita SR927SW | ||
| 2B 2B20 | 0.8 | 0.5 | 1.7~2.1 | 20 | ±20 | 10 seconds | 3 | SEIKO SR521SW | |
| 2B21 | 0.9 | 0.3 | 2.9~3.3 | 1 | ±20 | 10 seconds | 2 | M/S SR521SW,E 379 Matsushita SR521SW | |
| 2B31 | 1.1 | 0.6 | 3.0~3.4 | 1 | ±20 | 10 seconds | 2 | ||
| 2C 2C20 | 0.5 | 0.4 | 1.7~2.3 | 20 | ±15 | 10 seconds | 3 | SEIKO SR621SW | |
| 2C21 | 0.8 | 0.4 | 2.8~3.4 | 1 | ±15 | 2 | |||
| 2D 2D22 | 1.2 | 0.3 | 2.4~2.8 | 1 | ±20 | 10 seconds | 2 | SEIKO SR621SW M/SSR621SW, 364 Matsushita SR621SW | |
| 2E 2E20, 2E50, 2E70 | 0.6 | 0.3 | 1.4~2.0 | 20 | ±15 | 10 seconds | 3 | SEIKO SR621SW M/S SR621SW, E364 Matsushita SR621SW | |
| 2E20B | 0.6 | 0.3 | 1.7~2.1 | 20 | ±15 | 10 seconds | 3 | ||
| 2F 2F50, 2F70 | 0.3 | 0.2 | 2.0~2.4 | 20 | ±15 | 10 seconds | 2 | SEIKO SR512SW | |
| 2G 2G28, 2G78 | 0.9 | 0.4 | 2.9~3.3 | 1 | ±15 | 3 | M/ Matsushita SR512SW SEIKO SR527SW M/S SR527SW,E 319 | ||
| 2G38, 2G98 | 0.9 | 0.4 | 2.9~3.3 | 1 | ±15 | 2 | SEIKO SR521SW M/SSR521SW, 379 Matsushita SR521SW |
Digital Quartz Calibers
The following tables detail the specifications for various digital quartz watch movements:
| Cal. No. | Mov't | Current Consumption (μA) | Speaker block/ Upconverter coil resistance (Ω) | Time accuracy (sec./month) | Appropriate display when measuring time accuracy | Battery life (Year) | Battery No. |
|---|---|---|---|---|---|---|---|
| 01 0114,0124 | 10.0 | +10 | 1 | SEIKO SR43W M/SSR43W, E386 | |||
| 0138 | 3.0 | ±10 | 2 | SEIKO SR1130W | |||
| 0139 | 3.0 | ±15 | 2 | M/SSR1130W, E389 | |||
| 04 0432 | 3.5 | 3.3 | ±15 | 2 | |||
| 0439 | 3.5 | 3.3 | ±15 | 1 | |||
| 05 0531,0532 | 3.0 | 2.0 | ±15 | 1 | SEIKO SR41W | ||
| 0533, 0534 | 4.0 | 2.5 | ±15 | 1 | M/SSR41W, E392 | ||
| 06 0614 | 10.0 | 7.0 | ±10 | 2 | SEIKO SR44W M/SSR44W, 357 | ||
| 0624, 0634, 0654, 0674 | 6.0 | 5.0 | +10 | 1 | SEIKO SR43W M/SSR43W, E386 | ||
| 0644, 0662, 0664 | 6.0 | 5.0 | ±15 | 1 | |||
| 87 8700 | 145.0 | ±20 | 1,000H | SEIKO SR44SW MSR44SW, SR44SW, SR44W, 303, 357 | |||
| A0 A021, A029 | 3.3 | 2.2 | 70~90 | +10 | 2 | SEIKO SR1130W M/SSR1130W, E389 | |
| A031, A039 | 3.3 | 2.2 | 70~90 | ±15 | 2 | ||
| A1 A127, A128 | 3.3 | 3.0 | ±15 | 2 | |||
| A129 | 3.0 | ±15 | 2 | ||||
| A133, A134 | 3.3 | 3.2 | ±15 | 2 | SEIKO SR1120W MSR1120W, E391 | ||
| A135 | 3.3 | 3.2 | +15 | 2 | |||
| A156 | 3.5 | 3.3 | 30~150 | +10 | 7 | M XR11630W (Secondary battery unit) | |
| A158 | 3.0 | 2.7 | 30~150 | ±10 | 2 | SEIKO SR1130W M/SSR1130W, E 389 | |
| A159 | 4.5 | 4.3 | 30~150 | ±10 | 1 | ||
| A169 | 3.5 | 3.0 | 30~150 | +10 | 2 | ||
| A2 A229 | 2.0 | 1.6 | +10 | All segments lit up | 2 | SEIKO SR927W M/SSR927W, E399 | |
| A239 | 4.5 | 3.6 | 120~140 | +10 | All segments lit up | 1.5 | |
| A257 | 3.0 | 2.4 | 120~140 | +15 | All segments lit up | 2 | |
| A258 | 2.0 | 1.6 | 120~140 | ±10 | All segments lit up | 7 | |
| A259 | 2.5 | 2.0 | 120~140 | ±10 | All segments lit up | 2 | |
| A3 A354, A359 | 2.5 | 2.0 | 30~150 | +10 | All segments lit up | 2 | |
| A358 | 2.5 | 2.4 | 30~150 | +10 | |||
| A4 A439 | 3.0 | 2.5 | 120~140 | +15 | All segments lit up | 2 | |
| A5 A547 | 1.3 | 1.0 | 45~70 | +15 | All segments lit up | 2 | |
| A557 | 1.3 | 45~70 | ±15 | All segments lit up | 7 | 4018835 (Secondary battery unit) | |
| A6 A628 | 2.3 | 2.0 | 45~70 | +15 | Stopwatch is reset. | 7 | M XR9527W (Secondary battery unit) |
| A638, A639 | 2.2 | 2.0 | 120~140 | +15 | Stopwatch is reset. | 2 | SEIKO SR41W M/SSR41W,E392 |
Calibers for Limited Service Centers
The following calibers require servicing by authorized centers:
| Cal. No. | Mov't | Current Consumption (μA) | Circuit block | Coil block resistance (kΩ) | Speaker block/ Upconverter coil resistance (Ω) | Output signal (second) | Time accuracy (sec./month) | Appropriate display when measuring time accuracy | Battery life (Year) | Battery No. |
|---|---|---|---|---|---|---|---|---|---|---|
| F6 F623 | 2.0 | 1.7 | — | — | ±15 | Use ultra-sonic microphone. | 2 | SEIKO SR726W M/SSR726W |
