Seiko Cal. 6666 - 737

The 6666-737 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-38b48125dc24]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1980

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