Seiko Cal. 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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