Seiko Cal. 6623 - 512

This Spring Drive model from 1967 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-2e589715e269]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1967

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