Seiko Cal. 6670 - 681

This Hand-Winding model from 1978 features a 42mm Titanium case. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-491ace916bbe]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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