Seiko Cal. 3840 - 755

The Seiko 3840-755 represents an important milestone in Seiko's 1980 lineup. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-1cf6cac3ac20]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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