Seiko Cal. 7131 - 790

This Solar model from 1973 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b4c4a33695e2]

Also known as: Bullhead, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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