Seiko Cal. 3877 - 378

This Quartz model from 1976 features a 39mm Titanium case. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-e2c792d354d3]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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