Seiko Cal. 7181 - 390

This Solar model from 1971 features a 43mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-d709f259e809]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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