Seiko Cal. 6688 - 137

Seiko 6688-137

This Kinetic model from 1968 features a 37mm PVD Black case. Powered by the 6688 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-495e51e7ae4b]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1968

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seikata-wm-495e51e7ae4b