Seiko Cal. 6131 - 568

This Hand-Winding model from 1965 features a 43mm Stainless Steel case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-12839563fd4a]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1965

Related Models

• Seiko 4442-824
• Seiko 3854-794
• Seiko 6379-342
• Seiko 3855-877
• Seiko 6377-401
• Seiko 6643-428
• Seiko 5248-150
• Seiko 4557-991
• Seiko 4453-596
• Seiko 4571-542
• Seiko 5264-674
• Seiko 6186-757