Seiko Cal. 3811 - 766

This Hand-Winding model from 1973 features a 46mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-a2412e7db164]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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