Seiko Cal. 3877 - 428

Seiko 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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seikata-wm-78c589524f9a