Seiko Cal. 7178 - 689

The 7178-689 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7178 caliber with 26j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9f8620c8eb5d]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1996

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