Seiko Cal. 6391 - 240

The 6391-240 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-1e8f6fe9efc9]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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