Seiko Cal. 6331 - 679

Seiko 6331-679

The Seiko 6331-679 represents an important milestone in Seiko's 1996 lineup. Powered by the 6331 caliber with 33j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d59f21f5bb12]

Also known as: Helmet, Arnie

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1996

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