Seiko Cal. 4581 - 751

The 4581-751 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4581 caliber with 31j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-6e673352a893]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1996

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