Seiko Cal. 3873 - 863

This Spring Drive model from 1975 features a 39mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1f3a62d8c213]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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