Seiko Cal. 7166 - 344

The 7166-344 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-dacd1ea002d3]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1984

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