Seiko Cal. 3841 - 871

This Hand-Winding model from 1977 features a 40mm Titanium case. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-5058e1919003]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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