Seiko Cal. 6375 - 720

Seiko 6375-720

The 6375-720 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6375 caliber with 31j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-7dd621b3bbba]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
31j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1980

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