Seiko Cal. 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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