Seiko Cal. 4488 - 172

The Seiko 4488-172 represents an important milestone in Seiko's 1966 lineup. Powered by the 4488 caliber with 29j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-fab86ecd171e]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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