Seiko Cal. 6331 - 892

Seiko 6331-892

The 6331-892 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6331 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-6c26c519c6a0]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1971

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