Seiko Cal. 6634 - 107

The Seiko 6634-107 represents an important milestone in Seiko's 1996 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e2b345820622]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1996

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