Seiko Cal. 3870 - 570

The Seiko 3870-570 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a345b90da41a]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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