Seiko Cal. 5643 - 177

Seiko 5643-177

The 5643-177 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5643 caliber with 27j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-535e7166664c]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
120m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1986

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