Seiko Cal. 6687 - 370

The Seiko 6687-370 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-c108f1427ff4]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1967

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