Seiko Cal. 3840 - 147

The Seiko 3840-147 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-98b4da0a8624]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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