Seiko Cal. 6687 - 671

This Automatic model from 1972 features a 42mm PVD Black case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-56337fb3b2f4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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