Seiko Cal. 7031 - 561

This Solar model from 1975 features a 40mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-9cc17adab3d3]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

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