Seiko Cal. 3870 - 786

The Seiko 3870-786 represents an important milestone in Seiko's 1997 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-10d719650e5d]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1997

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