Seiko Cal. 4537 - 791

The Seiko 4537-791 represents an important milestone in Seiko's 1967 lineup. Powered by the 4537 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b8e65540999e]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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