Seiko Cal. 6671 - 251

This Hand-Winding model from 1968 features a 35mm Titanium case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-c3139d264254]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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