Seiko Cal. 7140 - 407

This Spring Drive model from 1975 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-1408167407d5]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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