Seiko Cal. 6634 - 660

This Hand-Winding model from 1991 features a 38mm Stainless Steel case. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-88e4426a55ae]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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