Seiko Cal. 6339 - 363

Seiko 6339-363

The 6339-363 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-441e59e972ec]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
35mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1975

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