Seiko Cal. 5612 - 187

The Seiko 5612-187 represents an important milestone in Seiko's 1967 lineup. Powered by the 5612 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-2e785fd75a3c]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

Related Models

• Seiko 3873-531
• Seiko 7038-717
• Seiko 3812-577
• Seiko 6246-339
• Seiko 6227-675
• Seiko 7024-832
• Seiko 3832-392
• Seiko 5275-781
• Seiko 3817-416
• Seiko 4538-462
• Seiko 5259-826
• Seiko 6397-369