Seiko Cal. 4450 - 948

The Seiko 4450-948 represents an important milestone in Seiko's 1976 lineup. Powered by the 4450 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-3eb67a443295]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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