Seiko Cal. 6337 - 665

Released in 1978, the Cal. 6337 with design code 665 was part of Seiko's domestic market collection. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-aec744cf77de]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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