Seiko Cal. 6687 - 597

This Hand-Winding model from 1973 features a 40mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-a0448977598a]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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