Seiko Cal. 6331 - 907

This Hand-Winding model from 1991 features a 46mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-b48f37020474]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1991

Related Models

• Seiko 6294-701
• Seiko 6255-387
• Seiko 6216-767
• Seiko 4530-211
• Seiko 4570-729
• Seiko 4582-178
• Seiko 7152-404
• Seiko 7184-261
• Seiko 6319-636
• Seiko 6651-673
• Seiko 6246-198
• Seiko 7194-909