Seiko Cal. 3840 - 144

Released in 1986, the Cal. 3840 with design code 144 was part of Seiko's domestic market collection. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-68dd48575dd4]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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