Seiko Cal. 3840 - 144

The Seiko 3840-144 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-42ae9de5c8ba]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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