Seiko Cal. 6318 - 643

The 6318-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6318 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-1e9b2799410f]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1994

Related Models

• Seiko 6692-259
• Seiko 5612-902
• Seiko 6613-913
• Seiko 6278-948
• Seiko 5297-538
• Seiko 6351-511
• Seiko 3885-898
• Seiko 4441-391
• Seiko 7179-588
• Seiko 5211-350
• Seiko 7167-567
• Seiko 6618-822