Seiko Cal. 5242 - 643

The Seiko 5242-643 represents an important milestone in Seiko's 1969 lineup. Powered by the 5242 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-e80393d3bc5b]

Also known as: Panda, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

Related Models

• Seiko 7033-387
• Seiko 6650-200
• Seiko 3899-126
• Seiko 0737-915
• Seiko 4450-963
• Seiko 6337-730
• Seiko 5616-555
• Seiko 6179-360
• Seiko 7151-227
• Seiko 7013-204
• Seiko 4441-814
• Seiko 4510-522