Seiko Cal. 4581 - 951

Seiko 4581-951

This Quartz model from 1976 features a 36mm Two-Tone case. Powered by the 4581 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-b5be9e354b3a]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
36mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1976

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