Seiko Cal. 6637 - 396

This Hand-Winding model from 1998 features a 41mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-2b8b153d71f2]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1998

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