Seiko Cal. 4571 - 545

This Solar model from 1975 features a 45mm Stainless Steel case. Powered by the 4571 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-40bbb15dce74]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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