Seiko Cal. 4480 - 606

The Seiko 4480-606 represents an important milestone in Seiko's 1975 lineup. Powered by the 4480 caliber with 31j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d7abfe34e4a3]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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