Seiko Cal. 6129 - 813

This Spring Drive model from 1970 features a 37mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-798750cbeb75]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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