Seiko Cal. 6621 - 329

This Spring Drive model from 1970 features a 39mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-30648c137aa5]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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