Seiko Cal. 5243 - 238

The Seiko 5243-238 represents an important milestone in Seiko's 1965 lineup. Powered by the 5243 caliber with 22j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-6476267e6854]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1965

Related Models

• Seiko 7030-583
• Seiko 6217-629
• Seiko 4519-864
• Seiko 4473-910
• Seiko 0752-431
• Seiko 7030-968
• Seiko 0749-940
• Seiko 6682-154
• Seiko 3854-734
• Seiko 6161-553
• Seiko 6682-524
• Seiko 6640-120