Seiko Cal. 3899 - 259

This Spring Drive model from 1988 features a 38mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f9fa541c78d8]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1988

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