Seiko Cal. 6321 - 431

This Hand-Winding model from 1970 features a 40mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-14ffe279052c]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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