Seiko Cal. 4529 - 644

The Seiko 4529-644 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-f2a61fed04d3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

Related Models

• Seiko 7117-766
• Seiko 6649-993
• Seiko 6687-713
• Seiko 6130-475
• Seiko 4469-255
• Seiko 4469-225
• Seiko 7029-899
• Seiko 6626-936
• Seiko 4485-415
• Seiko 0715-789
• Seiko 4531-574
• Seiko 7063-133