Seiko Cal. 3899 - 733

This Spring Drive model from 1981 features a 44mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-539c25915edc]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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