Seiko Cal. 6642 - 268

This Spring Drive model from 1971 features a 34mm PVD Black case. Powered by the 6642 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-2a45b0940172]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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