Seiko Cal. 5640 - 527

This Quartz model from 1989 features a 42mm Titanium case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8b2d1c496236]

Also known as: Panda, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

Related Models

• Seiko 5696-532
• Seiko 6284-517
• Seiko 6654-480
• Seiko 5226-476
• Seiko 5672-490
• Seiko 6173-796
• Seiko 6680-723
• Seiko 6279-721
• Seiko 6235-592
• Seiko 6321-889
• Seiko 6169-584
• Seiko 5279-936