Seiko Cal. 4480 - 690

Seiko 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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