Seiko Cal. 4581 - 751

The 4581-751 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4581 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-1843b98a9740]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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