Seiko Cal. 0731 - 718

This Spring Drive model from 1989 features a 38mm Gold-Plated case. Powered by the 0731 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-806ce1ab5fed]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

Related Models

• Seiko 7052-979
• Seiko 7191-353
• Seiko 7197-419
• Seiko 5695-115
• Seiko 6250-507
• Seiko 5633-379
• Seiko 3879-920
• Seiko 5649-292
• Seiko 7142-779
• Seiko 6139-755
• Seiko 6297-135
• Seiko 4566-841