Seiko Cal. 6397 - 639

This Spring Drive model from 1987 features a 36mm Gold-Plated case. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-bc85aace2bb0]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1987

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