Seiko Cal. 6377 - 475

Seiko 6377-475

This Spring Drive model from 1988 features a 44mm Stainless Steel case. Powered by the 6377 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-577689ce7d3f]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1988

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