Seiko Cal. 5647 - 540

Seiko 5647-540

The 5647-540 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ee5a3a4620ef]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1968

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