Seiko Cal. 6623 - 432

This Spring Drive model from 1994 features a 44mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-15d94afd2f4e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1994

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