Seiko Cal. 6637 - 853

The Seiko 6637-853 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7930f2594dfb]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1990

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