Seiko Cal. 4537 - 314

This Hand-Winding model from 1965 features a 35mm Gold-Plated case. Powered by the 4537 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-cfebdaa9f70b]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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