Seiko Cal. 7120 - 784

The 7120-784 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7120 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-0e96e0bd2e85]

Also known as: Sumo, Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

Related Models

• Seiko 7046-262
• Seiko 0778-524
• Seiko 5647-767
• Seiko 5675-743
• Seiko 5253-116
• Seiko 7140-346
• Seiko 4430-925
• Seiko 6678-924
• Seiko 5695-297
• Seiko 6689-102
• Seiko 5639-326
• Seiko 6386-624