Seiko Cal. 4552 - 372

This Hand-Winding model from 1966 features a 35mm Titanium case. Powered by the 4552 caliber with 18j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-9a7d32b4671f]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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