Seiko Cal. 3891 - 245

This Spring Drive model from 1967 features a 40mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-72b91717f2c1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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