Seiko Cal. 5677 - 708

The Seiko 5677-708 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-f110d9a658f9]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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