Seiko Cal. 5644 - 429

The Seiko 5644-429 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ecc0db66e8ff]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

Related Models

• Seiko 5623-443
• Seiko 7026-266
• Seiko 6163-191
• Seiko 6339-519
• Seiko 0763-442
• Seiko 6272-476
• Seiko 6360-868
• Seiko 5611-532
• Seiko 0759-362
• Seiko 0734-321
• Seiko 5293-471
• Seiko 3816-552