Seiko Cal. 6688 - 794

Seiko 6688-794

The Seiko 6688-794 represents an important milestone in Seiko's 1978 lineup. Powered by the 6688 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-d7468ce23852]

Also known as: Helmet, Rally

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
White
Jewels
33j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1978

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seikata-wm-d7468ce23852