Seiko Cal. 6231 - 996

Seiko 6231-996

The Seiko 6231-996 represents an important milestone in Seiko's 1976 lineup. Powered by the 6231 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ce8776a9a9ac]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1976

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