Seiko Cal. 6694 - 777

This Spring Drive model from 1975 features a 36mm Hardlex-Coated Steel case. Powered by the 6694 caliber with 17j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a6ec66ea6db6]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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