Seiko Cal. 5620 - 901

The Seiko 5620-901 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-66da7f7dc955]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

Related Models

• Seiko 4443-576
• Seiko 5664-923
• Seiko 6121-813
• Seiko 4453-685
• Seiko 7181-560
• Seiko 5618-335
• Seiko 6152-353
• Seiko 7196-419
• Seiko 5696-923
• Seiko 5630-975
• Seiko 5658-151
• Seiko 7115-292