Seiko Cal. 7136 - 680

This Hand-Winding model from 1977 features a 37mm Gold-Plated case. Powered by the 7136 caliber with 24j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b4486966579a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1977

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