Seiko Cal. 5633 - 763

The Seiko 5633-763 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-42cde1233fa4]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

Related Models

• Seiko 6616-862
• Seiko 4464-144
• Seiko 4515-365
• Seiko 6144-660
• Seiko 6697-266
• Seiko 6159-772
• Seiko 6633-791
• Seiko 7169-733
• Seiko 4571-415
• Seiko 6293-890
• Seiko 7057-417
• Seiko 6321-280