Seiko Cal. 5621 - 131

This Spring Drive model from 1966 features a 34mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-5310704adab3]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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