Seiko Cal. 4566 - 991

The Seiko 4566-991 represents an important milestone in Seiko's 1996 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-bd5dfb27c544]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

Related Models

• Seiko 4536-597
• Seiko 4446-773
• Seiko 3835-305
• Seiko 3849-514
• Seiko 4430-396
• Seiko 5212-379
• Seiko 0777-509
• Seiko 0766-194
• Seiko 6297-763
• Seiko 6163-476
• Seiko 5632-915
• Seiko 5224-442