Seiko Cal. 6370 - 637

Seiko 6370-637

The 6370-637 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-285ed8e872cc]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
43mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1988

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