Seiko Cal. 6377 - 830

Seiko 6377-830

The 6377-830 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6377 caliber with 26j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-32c555333ea4]

Also known as: Sumo, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1973

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