Seiko Cal. 5664 - 277

The Seiko 5664-277 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-df144cd6628a]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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