Seiko Cal. 6650 - 677

The Seiko 6650-677 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-e4d5c803aaa9]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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