Seiko Cal. 4591 - 973

The Seiko 4591-973 represents an important milestone in Seiko's 1992 lineup. Powered by the 4591 caliber with 17j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-a55c19728659]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1992

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