Seiko Cal. 7140 - 931

This Hand-Winding model from 1965 features a 41mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-9ab777e2e303]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1965

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