Seiko Cal. 5677 - 770

Seiko 5677-770

The 5677-770 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5677 caliber with 32j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3c5ad5c76df7]

Also known as: UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Champagne
Jewels
32j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1983

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