Seiko Cal. 6243 - 240

The Seiko 6243-240 represents an important milestone in Seiko's 1983 lineup. Powered by the 6243 caliber with 21j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-6c25a4ccf2ac]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

Related Models

• Seiko 3841-572
• Seiko 6614-194
• Seiko 4517-353
• Seiko 6678-990
• Seiko 6234-863
• Seiko 4535-747
• Seiko 6196-397
• Seiko 5271-391
• Seiko 5627-505
• Seiko 6660-281
• Seiko 0732-188
• Seiko 0721-964