Seiko Cal. 6638 - 851

This Hand-Winding model from 1990 features a 36mm Stainless Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-82c893d15968]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

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