Seiko Cal. 3840 - 881

This Solar model from 1965 features a 37mm Gold-Plated case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ff5f2a2e8bf5]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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