Seiko Cal. 5621 - 963

This Hand-Winding model from 1965 features a 34mm Titanium case. Powered by the 5621 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-146fb408d274]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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