Seiko Cal. 3877 - 428

This Quartz model from 1975 features a 36mm Hardlex-Coated Steel case. Powered by the 3877 caliber with 17j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-78c589524f9a]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

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