Seiko Cal. 7140 - 429

This Hand-Winding model from 1976 features a 45mm PVD Black case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-aac537fb8401]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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