Seiko Cal. 7166 - 316

The 7166-316 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-f02c0a52a897]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1969

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