Seiko Cal. 4452 - 138

This Hand-Winding model from 1972 features a 45mm Two-Tone case. Powered by the 4452 caliber with 20j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-ced36c6cfb9e]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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