Seiko Cal. 5271 - 221

Seiko 5271-221

The 5271-221 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5271 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-6c338eb82ba9]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1989

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seikata-wm-6c338eb82ba9