Seiko Cal. 6135 - 183

This Spring Drive model from 1965 features a 39mm Hardlex-Coated Steel case. Powered by the 6135 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-30562b45ddc6]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

Related Models

• Seiko 7185-421
• Seiko 6331-159
• Seiko 6142-123
• Seiko 3816-103
• Seiko 4486-403
• Seiko 0792-240
• Seiko 4573-775
• Seiko 0731-797
• Seiko 3829-737
• Seiko 6672-954
• Seiko 4484-924
• Seiko 6391-682