Seiko Cal. 4580 - 746

The 4580-746 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4580 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-561d5eb1d3ab]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1985

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