Seiko Cal. 6687 - 428

This Automatic model from 1970 features a 34mm Titanium case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-c346a639c6ba]

Also known as: Silverwave, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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