Seiko Cal. 5271 - 727

Seiko 5271-727

The 5271-727 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-392db8d5ec6b]

Also known as: Monster, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1993

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