Seiko Cal. 7178 - 689

Seiko 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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