Seiko Cal. 6634 - 737

The Seiko 6634-737 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-a5a4a1f5121b]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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