Seiko Cal. 3821 - 740

The Seiko 3821-740 represents an important milestone in Seiko's 1993 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-247f5455c94f]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1993

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