Seiko Cal. 3840 - 785

This Spring Drive model from 1979 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b2439a6a35f5]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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