Seiko Cal. 5677 - 320

The Seiko 5677-320 represents an important milestone in Seiko's 1995 lineup. Powered by the 5677 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b603a0c3c4d0]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1995

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