Seiko Cal. 3864 - 510

This Hand-Winding model from 1965 features a 37mm PVD Black case. Powered by the 3864 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-f53f914bc165]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1965

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