Seiko Cal. 7121 - 156

The Seiko 7121-156 represents an important milestone in Seiko's 1982 lineup. Powered by the 7121 caliber with 36j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-6afbf69df0c9]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1982

Related Models

• Seiko 5623-885
• Seiko 6196-512
• Seiko 7113-507
• Seiko 6133-896
• Seiko 3854-329
• Seiko 4419-832
• Seiko 5260-883
• Seiko 0785-846
• Seiko 4446-242
• Seiko 0754-224
• Seiko 5258-874
• Seiko 7115-960