Seiko Cal. 7161 - 813

The 7161-813 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bf485cd8793e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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