Seiko Cal. 4581 - 730

The 4581-730 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f3bb3273cb4f]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1995

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