Seiko Cal. 7180 - 536

Seiko 7180-536

The 7180-536 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5e04bb29635e]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1997

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