Seiko Cal. 5618 - 368

Seiko 5618-368

The 5618-368 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5618 caliber with 22j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-9ac53982d498]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
22j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1990

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seikata-wm-9ac53982d498