Seiko Cal. 7098 - 137

The 7098-137 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7098 caliber with 24j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-df106282f1d9]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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