Seiko Cal. 6634 - 638

This Kinetic model from 1983 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f889ef37ab06]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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