Seiko Cal. 3865 - 758

This Spring Drive model from 1965 features a 43mm Gold-Plated case. Powered by the 3865 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-d902e6b076b7]

Also known as: Turtle, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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