Seiko Cal. 7173 - 781

This Hand-Winding model from 1987 features a 40mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-83c0782c59ea]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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