Seiko Cal. 3872 - 440

The Seiko 3872-440 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2d7906965f72]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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