Seiko Cal. 6390 - 671

The 6390-671 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-f734e2afc9e9]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1996

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