Seiko Cal. 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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