Seiko Cal. 6331 - 133

Seiko 6331-133

This Kinetic model from 1995 features a 34mm Stainless Steel case. Powered by the 6331 caliber with 17j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5230d63e0c3d]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1995

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