Seiko Cal. 6631 - 276

This Hand-Winding model from 1987 features a 35mm Titanium case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-5dec2bd45324]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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