Seiko Cal. 4548 - 444

The Seiko 4548-444 represents an important milestone in Seiko's 1972 lineup. Powered by the 4548 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-39a0b64c9f51]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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