Seiko Cal. 6691 - 738

This Quartz model from 1975 features a 42mm Two-Tone case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-db1518bb84df]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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