Seiko Cal. 5611 - 686

Seiko 5611-686

The 5611-686 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3cd720c1d2d5]

Also known as: Helmet, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Black
Jewels
33j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1972

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