Seiko Cal. 7031 - 439

The 7031-439 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e9a7a95b6a00]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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