Seiko Cal. 4480 - 231

The 4480-231 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4480 caliber with 28j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b5ba5a20f570]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1996

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