Seiko Cal. 6399 - 578

Seiko 6399-578

Released in 1981, the Cal. 6399 with design code 578 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-746a234f3a74]

Also known as: Shogun, Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1981

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