Seiko Cal. 6621 - 131

This Spring Drive model from 1980 features a 43mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5fa84f347524]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1980

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