Seiko Cal. 6397 - 107

This Spring Drive model from 1997 features a 40mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-53216c8e6f83]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1997

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