Seiko Cal. 5645 - 973

This Automatic model from 1965 features a 37mm Gold-Plated case. Powered by the 5645 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-5cabbcdc5bc7]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1965

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