Seiko Cal. 5666 - 684

Seiko 5666-684

The 5666-684 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5666 caliber with 18j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-7a333ad95111]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
18j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1996

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