Seiko Cal. 3858 - 634

This Spring Drive model from 1983 features a 37mm PVD Black case. Powered by the 3858 caliber with 22j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-6d4c5289f801]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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