Seiko Cal. 6681 - 933

Seiko 6681-933

The Seiko 6681-933 represents an important milestone in Seiko's 1981 lineup. Powered by the 6681 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-cee3984a0dbf]

Also known as: Sportsmatic, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
60m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1981

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