Seiko Cal. 7031 - 200

This Solar model from 1973 features a 37mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-880d7b17d25c]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

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