Seiko Cal. 4531 - 311

Seiko 4531-311

The 4531-311 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-cd8e7a7bd557]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1996

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seikata-wm-cd8e7a7bd557