Seiko Cal. 3840 - 997

The 3840-997 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b3b1546be69e]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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