Seiko Cal. 4536 - 615

This Automatic model from 1973 features a 43mm Stainless Steel case. Powered by the 4536 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-c2ea7bcf02be]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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