Seiko Cal. 4480 - 690

The Seiko 4480-690 represents an important milestone in Seiko's 1965 lineup. Powered by the 4480 caliber with 32j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-063f31588f62]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

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