Seiko Cal. 4518 - 112

Seiko 4518-112

The 4518-112 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4518 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4a19206a4bbf]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1989

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