Seiko Cal. 4433 - 361

This Automatic model from 1971 features a 41mm Stainless Steel case. Powered by the 4433 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-5c6aa163f51a]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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