Seiko Cal. 6371 - 742

Seiko 6371-742

The 6371-742 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6371 caliber with 19j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-45fda9a44b2a]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1969

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