Seiko Cal. 3877 - 339

This Spring Drive model from 1972 features a 44mm Titanium case. Powered by the 3877 caliber with 36j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-1a9160e2c32c]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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