Seiko Cal. 4480 - 728

Seiko 4480-728

The Seiko 4480-728 represents an important milestone in Seiko's 1968 lineup. Powered by the 4480 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-946bbd95e545]

Also known as: Turtle, Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1968

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