Seiko Cal. 6641 - 381

This Automatic model from 1981 features a 37mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-d009f7455ddf]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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