Seiko Cal. 0765 - 139

The Seiko 0765-139 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-e2a85b62207c]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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