Seiko Cal. 6637 - 178

This Kinetic model from 1993 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a922dea6c9ef]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1993

Related Models

• Seiko 5268-993
• Seiko 3888-535
• Seiko 6329-128
• Seiko 6277-444
• Seiko 5637-626
• Seiko 6347-567
• Seiko 0745-987
• Seiko 3845-713
• Seiko 7072-628
• Seiko 4484-775
• Seiko 6211-999
• Seiko 6335-270