Seiko Cal. 7171 - 227

Seiko 7171-227

The 7171-227 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1b52936706f8]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1978

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