Seiko Cal. 6693 - 287

The Seiko 6693-287 represents an important milestone in Seiko's 1977 lineup. Powered by the 6693 caliber with 29j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-da64689fc3e0]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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