Seiko Cal. 3891 - 237

This Hand-Winding model from 1973 features a 45mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-0ad0e7412db5]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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