Seiko Cal. 6633 - 155

The 6633-155 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-81ed50ed6405]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

Related Models

• Seiko 5277-426
• Seiko 5688-758
• Seiko 4485-546
• Seiko 0714-787
• Seiko 6188-406
• Seiko 0764-954
• Seiko 0720-205
• Seiko 6617-397
• Seiko 6197-683
• Seiko 5221-116
• Seiko 6355-942
• Seiko 7028-361