Seiko Cal. 6381 - 627

This Kinetic model from 1971 features a 40mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-bf164743bf3a]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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