Seiko Cal. 6140 - 475

This Solar model from 1981 features a 37mm PVD Black case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-c714e95c6230]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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