Seiko Cal. 0766 - 237

This Hand-Winding model from 1991 features a 45mm Hardlex-Coated Steel case. Powered by the 0766 caliber with 19j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-1c4f90ba4345]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1991

Related Models

• Seiko 5699-925
• Seiko 5287-440
• Seiko 4447-564
• Seiko 6631-717
• Seiko 7042-403
• Seiko 3872-105
• Seiko 0796-630
• Seiko 7136-916
• Seiko 7012-792
• Seiko 4552-773
• Seiko 5253-346
• Seiko 4584-634