Seiko Cal. 7183 - 851

This Automatic model from 1991 features a 40mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8f6bee8c5860]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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