Seiko Cal. 6669 - 357

This Spring Drive model from 1977 features a 40mm Hardlex-Coated Steel case. Powered by the 6669 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a5355fb60eea]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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