Seiko Cal. 7135 - 421

The Seiko 7135-421 represents an important milestone in Seiko's 1977 lineup. Powered by the 7135 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-657c65b611ab]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

Related Models

• Seiko 3811-531
• Seiko 3810-184
• Seiko 7021-735
• Seiko 4474-695
• Seiko 0734-336
• Seiko 4582-729
• Seiko 5237-675
• Seiko 6317-943
• Seiko 5297-324
• Seiko 3850-130
• Seiko 6190-985
• Seiko 6633-751