Seiko Cal. 6331 - 549

The Seiko 6331-549 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-2ad1613c84ce]

Also known as: World Timer, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 7155-108
• Seiko 7140-254
• Seiko 3816-296
• Seiko 6663-636
• Seiko 0762-186
• Seiko 6137-872
• Seiko 5231-648
• Seiko 3883-743
• Seiko 5646-308
• Seiko 6150-595
• Seiko 5626-547
• Seiko 6342-446