Seiko Cal. 4591 - 179

The Seiko 4591-179 represents an important milestone in Seiko's 1977 lineup. Powered by the 4591 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e206803f0988]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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