Seiko Cal. 0776 - 137

This Hand-Winding model from 1984 features a 39mm Titanium case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-e51a4f94d0b1]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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