Seiko Cal. 6243 - 931

The Seiko 6243-931 represents an important milestone in Seiko's 1973 lineup. Powered by the 6243 caliber with 29j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-4a9b56c04e9b]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

Related Models

• Seiko 3826-894
• Seiko 0752-467
• Seiko 6389-280
• Seiko 6161-468
• Seiko 5221-593
• Seiko 3888-520
• Seiko 6652-588
• Seiko 7168-603
• Seiko 6149-191
• Seiko 7099-272
• Seiko 7112-150
• Seiko 5613-789