Seiko Cal. 5634 - 321

The Seiko 5634-321 represents an important milestone in Seiko's 1982 lineup. Powered by the 5634 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-03cec784622f]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

Related Models

• Seiko 4468-384
• Seiko 6389-750
• Seiko 3850-216
• Seiko 0717-539
• Seiko 6134-191
• Seiko 0747-584
• Seiko 3811-932
• Seiko 5674-339
• Seiko 4579-206
• Seiko 5254-361
• Seiko 7084-276
• Seiko 4463-372