Seiko Cal. 6693 - 440

This Solar model from 1981 features a 39mm Titanium case. Powered by the 6693 caliber with 26j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-39b471aad2f5]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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