Seiko Cal. 4431 - 769

This Hand-Winding model from 1968 features a 44mm Titanium case. Powered by the 4431 caliber with 29j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ba08d49aa841]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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