Seiko Cal. 3878 - 837

This Hand-Winding model from 1974 features a 35mm Titanium case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-29715986fc89]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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