Seiko Cal. 4537 - 412

This Automatic model from 1972 features a 35mm Gold-Plated case. Powered by the 4537 caliber with 20j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-778584a8f895]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1972

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