Seiko Cal. 4480 - 351

Seiko 4480-351

The Seiko 4480-351 represents an important milestone in Seiko's 1997 lineup. Powered by the 4480 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-dca7dae576fc]

Also known as: Sumo, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
23j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1997

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