Seiko Cal. 6377 - 339

Seiko 6377-339

The 6377-339 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6377 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-afc6b0ccb4fb]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1966

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