Seiko Cal. 7031 - 410

The 7031-410 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-6854f0ad473c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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