Seiko Cal. 0716 - 421

The Seiko 0716-421 represents an important milestone in Seiko's 1979 lineup. Powered by the 0716 caliber with 19j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-1bd16b47311a]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1979

Related Models

• Seiko 5660-387
• Seiko 7061-890
• Seiko 6318-852
• Seiko 0750-688
• Seiko 5219-815
• Seiko 7063-547
• Seiko 6260-636
• Seiko 7024-151
• Seiko 0727-123
• Seiko 4511-550
• Seiko 6348-720
• Seiko 3862-309