Seiko Cal. 6630 - 640

This Hand-Winding model from 1982 features a 35mm Stainless Steel case. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e2f0af4a0dc1]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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