Seiko Cal. 4548 - 439

The Seiko 4548-439 represents an important milestone in Seiko's 1976 lineup. Powered by the 4548 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-457a67631d06]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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