Seiko Cal. 7158 - 712

The 7158-712 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7158 caliber with 21j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-8a987096e176]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1996

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