Seiko Cal. 3870 - 215

This Solar model from 1968 features a 41mm Titanium case. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-12c88816ac58]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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