Seiko Cal. 4555 - 510

The 4555-510 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4555 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-446066e9b2b7]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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