Seiko Cal. 6370 - 166

Seiko 6370-166

The 6370-166 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6370 caliber with 30j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-a2e78b8946ba]

Also known as: Monster, Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1969

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