Seiko Cal. 3847 - 722

Seiko 3847-722

This Hand-Winding model from 1985 features a 42mm Hardlex-Coated Steel case. Powered by the 3847 caliber with 36j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0cc3db92ed52]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1985

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