Seiko Cal. 6630 - 741

This Spring Drive model from 1988 features a 38mm Titanium case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-194a4098a6b9]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1988

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