Seiko Cal. 7172 - 813

The 7172-813 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-376bdcc5a0d3]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

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