Seiko Cal. 3877 - 620

This Spring Drive model from 1972 features a 45mm Gold-Plated case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8d0a15bed962]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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