Seiko Cal. 6240 - 921

The Seiko 6240-921 represents an important milestone in Seiko's 1980 lineup. Powered by the 6240 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-dc78f7c015ef]

Also known as: Crown, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

Related Models

• Seiko 3847-926
• Seiko 5243-331
• Seiko 0739-786
• Seiko 5631-219
• Seiko 0799-676
• Seiko 7069-809
• Seiko 4559-577
• Seiko 7146-614
• Seiko 7164-283
• Seiko 3899-739
• Seiko 7122-773
• Seiko 5649-797