Seiko Cal. 6377 - 983

Seiko 6377-983

The 6377-983 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6377 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-89597cce1cbb]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1967

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