Seiko Cal. 6241 - 237

Seiko 6241-237

The 6241-237 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6241 caliber with 28j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-ddfd44247d84]

Also known as: Sumo, Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1971

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