Seiko Cal. 6331 - 842

Seiko 6331-842

The Seiko 6331-842 represents an important milestone in Seiko's 1977 lineup. Powered by the 6331 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-89aeb8c41d5e]

Also known as: Sea Horse

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1977

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