Seiko Cal. 6681 - 737

Seiko 6681-737

Released in 1979, the Cal. 6681 with design code 737 was part of Seiko's domestic market collection. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-7029b6f595b4]

Also known as: UFO

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1979

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seikata-wm-7029b6f595b4