Seiko Cal. 5677 - 480

The Seiko 5677-480 represents an important milestone in Seiko's 1988 lineup. Powered by the 5677 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-949d14d24634]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1988

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