Seiko Cal. 6390 - 850

This Spring Drive model from 1983 features a 39mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-7ae86941b65b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1983

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