Seiko Cal. 5648 - 528

The Seiko 5648-528 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-be0ea9993354]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1969

Related Models

• Seiko 7098-473
• Seiko 5663-808
• Seiko 5645-906
• Seiko 4434-472
• Seiko 7117-884
• Seiko 6264-436
• Seiko 4420-511
• Seiko 0722-815
• Seiko 6259-127
• Seiko 3895-363
• Seiko 7053-890
• Seiko 6337-852