Seiko Cal. 4480 - 474

The Seiko 4480-474 represents an important milestone in Seiko's 1967 lineup. Powered by the 4480 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-c50b043ef2fa]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1967

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