Seiko Cal. 6398 - 550

This Spring Drive model from 1977 features a 38mm Stainless Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-7f50f078bc00]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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