Seiko Cal. 5633 - 463

The Seiko 5633-463 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e09f81e5bb01]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 6262-154
• Seiko 6189-859
• Seiko 6343-252
• Seiko 6634-984
• Seiko 6237-928
• Seiko 6173-895
• Seiko 0768-331
• Seiko 7028-484
• Seiko 3886-804
• Seiko 4478-932
• Seiko 5675-240
• Seiko 5289-613