Seiko Cal. 3865 - 821

This Spring Drive model from 1988 features a 41mm Two-Tone case. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-e228227a7c22]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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