Seiko Cal. 3864 - 933

This Hand-Winding model from 1978 features a 36mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-31de8317db95]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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