Seiko Cal. 7031 - 387

The 7031-387 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f2fdce1dd96a]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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