Seiko Cal. 6653 - 117

This Spring Drive model from 1965 features a 36mm Gold-Plated case. Powered by the 6653 caliber with 29j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-7ff90f92c516]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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