Seiko Cal. 7188 - 711

Seiko 7188-711

The 7188-711 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7188 caliber with 31j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-3b14eaf28d35]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Green
Jewels
31j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1981

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