Seiko Cal. 4442 - 173

The Seiko 4442-173 represents an important milestone in Seiko's 1975 lineup. Powered by the 4442 caliber with 20j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-c4cb8ad6a1cc]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1975

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