Seiko Cal. 3816 - 771

This Automatic model from 1973 features a 43mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-26d47b331a88]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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