Seiko Cal. 3866 - 177

This Spring Drive model from 1993 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-9055c7b82011]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1993

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