Seiko Cal. 7140 - 535

This Hand-Winding model from 1969 features a 41mm Gold-Plated case. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-f6f85311f4af]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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