Seiko Cal. 6397 - 737

Seiko 6397-737

The 6397-737 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-595463ae812d]

Also known as: Tuna, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1981

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seikata-wm-595463ae812d