Seiko Cal. 7121 - 712

The 7121-712 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7121 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-514d2e1de4e9]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

Related Models

• Seiko 7175-866
• Seiko 7121-867
• Seiko 5688-110
• Seiko 0736-351
• Seiko 6159-646
• Seiko 4515-176
• Seiko 3810-156
• Seiko 4441-844
• Seiko 7140-580
• Seiko 7036-909
• Seiko 6218-731
• Seiko 6184-944