Seiko Cal. 6693 - 281

The Seiko 6693-281 represents an important milestone in Seiko's 1965 lineup. Powered by the 6693 caliber with 23j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-335ac20495c1]

Also known as: Bullhead, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1965

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