Seiko Cal. 6377 - 271

Released in 1971, the Cal. 6377 with design code 271 was part of Seiko's domestic market collection. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-ca410fb463a3]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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