Seiko Cal. 4552 - 850

This Hand-Winding model from 1983 features a 46mm Stainless Steel case. Powered by the 4552 caliber with 32j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-7eb8a9bcf5b1]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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