Seiko Cal. 6386 - 731

Seiko 6386-731

The 6386-731 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ea344e6bb95d]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1978

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