Seiko Cal. 6375 - 661

Seiko 6375-661

The 6375-661 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6375 caliber with 25j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-99a6af7739de]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1968

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