Seiko Cal. 5681 - 402

The 5681-402 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5681 caliber with 32j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-fb62d6608678]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1967

Related Models

• Seiko 7017-452
• Seiko 7090-928
• Seiko 4454-756
• Seiko 7130-454
• Seiko 6213-671
• Seiko 5239-169
• Seiko 6612-683
• Seiko 0737-957
• Seiko 6117-201
• Seiko 5227-818
• Seiko 0740-848
• Seiko 5617-891