Seiko Cal. 6371 - 593

Seiko 6371-593

The 6371-593 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6371 caliber with 30j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-585b59bcd9af]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Champagne
Jewels
30j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1965

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