Seiko Cal. 3840 - 690

This Hand-Winding model from 1980 features a 36mm Two-Tone case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-790757d247bd]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1980

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