Seiko Cal. 3872 - 140

The Seiko 3872-140 represents an important milestone in Seiko's 1984 lineup. Powered by the 3872 caliber with 17j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-4f2e944bfc17]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1984

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