Seiko Cal. 4556 - 952

The Seiko 4556-952 represents an important milestone in Seiko's 1975 lineup. Powered by the 4556 caliber with 17j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-7d73b93c70ca]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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