Seiko Cal. 6140 - 746

The Seiko 6140-746 represents an important milestone in Seiko's 1984 lineup. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-ca1c23ff7021]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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