Seiko Cal. 6634 - 606

This Spring Drive model from 1978 features a 41mm Titanium case. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-46ed994e3529]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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