Seiko Cal. 4480 - 251

Seiko 4480-251

The 4480-251 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4480 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-584a63099060]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1988

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seikata-wm-584a63099060