Seiko Cal. 4581 - 789

The 4581-789 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4581 caliber with 17j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-cb7b2b5a742d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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