Seiko Cal. 5227 - 644

Released in 1965, the Cal. 5227 with design code 644 was part of Seiko's domestic market collection. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-eb4bae7bad89]

Also known as: Crown, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

Related Models

• Seiko 4486-490
• Seiko 7156-476
• Seiko 3856-114
• Seiko 6276-271
• Seiko 6644-199
• Seiko 4544-133
• Seiko 5695-895
• Seiko 5648-351
• Seiko 4524-102
• Seiko 6646-305
• Seiko 4480-393
• Seiko 7189-387