Seiko Cal. 6622 - 749

This Hand-Winding model from 1972 features a 46mm Titanium case. Powered by the 6622 caliber with 31j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-81796fa5935e]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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