Seiko Cal. 3846 - 551

Seiko 3846-551

The 3846-551 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3846 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-11f1af9c5908]

Also known as: Sumo, UFO

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Champagne
Jewels
21j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1973

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