Seiko Cal. 6226 - 731

The Seiko 6226-731 represents an important milestone in Seiko's 1965 lineup. Powered by the 6226 caliber with 24j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-05467377b91b]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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