Seiko Cal. 3870 - 701

This Hand-Winding model from 1968 features a 40mm Titanium case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-24e28491def6]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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