Seiko Cal. 3880 - 769

This Hand-Winding model from 1979 features a 45mm Titanium case. Powered by the 3880 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-d3ff7bf89a31]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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