Seiko Cal. 4481 - 654

The 4481-654 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4481 caliber with 30j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-355479410c0f]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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