Seiko Cal. 6398 - 947

This Spring Drive model from 1977 features a 42mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-71bc1e3a5231]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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