Seiko Cal. 4540 - 712

Seiko 4540-712

The 4540-712 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-551219e279a5]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1970

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seikata-wm-551219e279a5