Seiko Cal. 7121 - 675

The 7121-675 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7121 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-078f856b830a]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

Related Models

• Seiko 6317-556
• Seiko 6320-982
• Seiko 4454-296
• Seiko 6137-958
• Seiko 5671-186
• Seiko 6368-119
• Seiko 0755-532
• Seiko 5643-104
• Seiko 6346-975
• Seiko 6223-633
• Seiko 5611-824
• Seiko 7139-364