Seiko Cal. 0765 - 634

This Spring Drive model from 1972 features a 37mm Titanium case. Powered by the 0765 caliber with 36j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-2493c2cd8461]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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