Seiko Cal. 6648 - 226

The Seiko 6648-226 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1ef6acef4dc9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1993

Related Models

• Seiko 4450-629
• Seiko 4418-451
• Seiko 6125-912
• Seiko 5649-743
• Seiko 5676-165
• Seiko 6213-265
• Seiko 6354-836
• Seiko 7035-896
• Seiko 3877-420
• Seiko 4528-563
• Seiko 6626-783
• Seiko 6175-385