Seiko Cal. 6120 - 136

The 6120-136 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6120 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-41ab6f821338]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

Related Models

• Seiko 5238-924
• Seiko 0746-893
• Seiko 6363-192
• Seiko 7179-220
• Seiko 6376-332
• Seiko 7187-875
• Seiko 6256-417
• Seiko 0765-705
• Seiko 5683-471
• Seiko 3817-608
• Seiko 5637-554
• Seiko 6156-654