Seiko Cal. 4580 - 665

The Seiko 4580-665 represents an important milestone in Seiko's 1975 lineup. Powered by the 4580 caliber with 26j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-aa016492201f]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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