Seiko Cal. 6674 - 837

The Seiko 6674-837 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6e0579838f12]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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