Seiko Cal. 6648 - 899

The Seiko 6648-899 represents an important milestone in Seiko's 1990 lineup. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-8bb52946c26e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

Related Models

• Seiko 6656-492
• Seiko 6642-595
• Seiko 5276-394
• Seiko 7165-850
• Seiko 6668-762
• Seiko 3828-679
• Seiko 6184-759
• Seiko 6372-603
• Seiko 7041-762
• Seiko 5264-969
• Seiko 7138-438
• Seiko 7065-179