Seiko Cal. 5677 - 644

The Seiko 5677-644 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-5fd76454d163]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1965

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