Seiko Cal. 6684 - 146

Seiko 6684-146

The 6684-146 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-da5e88ca8e48]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1978

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