Seiko Cal. 5677 - 461

The 5677-461 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5677 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-2b381e2a9fa5]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1990

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