Seiko Cal. 4581 - 495

The Seiko 4581-495 represents an important milestone in Seiko's 1968 lineup. Powered by the 4581 caliber with 26j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-64388952a79f]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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