Seiko Cal. 4538 - 548

The Seiko 4538-548 represents an important milestone in Seiko's 1972 lineup. Powered by the 4538 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-4b9bc384a4bb]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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