Seiko Cal. 6693 - 818

This Spring Drive model from 1967 features a 39mm Hardlex-Coated Steel case. Powered by the 6693 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-68e490e8692d]

Also known as: Turtle, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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