Seiko Cal. 7172 - 207

The 7172-207 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-58e1de9dd5fa]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1967

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