Seiko Cal. 6371 - 673

Seiko 6371-673

The 6371-673 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6371 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-d60efb2da7f4]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1971

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