Seiko Cal. 4581 - 157

The 4581-157 is a sought-after Solar piece from Seiko's golden era. Powered by the 4581 caliber with 22j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-6a0cdf2ac13b]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1990

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