Seiko Cal. 5643 - 131

Seiko 5643-131

The 5643-131 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-e3b60b0eb6a4]

Also known as: Turtle, Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
34j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1967

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