Seiko Cal. 6639 - 436

This Hand-Winding model from 1967 features a 42mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-95587025440e]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1967

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