Seiko Cal. 5633 - 171

The 5633-171 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5633 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-a2379aa3da4f]

Also known as: UFO, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1987

Related Models

• Seiko 6648-446
• Seiko 7136-450
• Seiko 3872-982
• Seiko 5675-916
• Seiko 7147-650
• Seiko 6335-826
• Seiko 0720-228
• Seiko 6611-528
• Seiko 3874-288
• Seiko 7085-408
• Seiko 7027-227
• Seiko 6248-807