Seiko Cal. 7191 - 991

The 7191-991 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-9f5ce8ca2059]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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