Seiko Cal. 3877 - 742

This Spring Drive model from 1977 features a 39mm Titanium case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f98d9de33428]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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