Seiko Cal. 7122 - 638

The Seiko 7122-638 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-71f065f9714a]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 0729-531
• Seiko 7079-694
• Seiko 4490-580
• Seiko 0782-140
• Seiko 6285-181
• Seiko 6635-145
• Seiko 6116-791
• Seiko 6350-149
• Seiko 4485-912
• Seiko 6628-517
• Seiko 0724-166
• Seiko 4415-201