Seiko Cal. 6621 - 438

The Seiko 6621-438 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-ea488dea1875]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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