Seiko Cal. 6390 - 540

The 6390-540 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-33b273b4460c]

Also known as: Rally, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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