Seiko Cal. 5663 - 372

The 5663-372 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-7fdc6aed7ebc]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1968

Related Models

• Seiko 7139-334
• Seiko 6663-882
• Seiko 0762-228
• Seiko 0731-557
• Seiko 6670-714
• Seiko 3872-427
• Seiko 7183-900
• Seiko 3845-288
• Seiko 7034-362
• Seiko 6274-416
• Seiko 7136-141
• Seiko 4416-438