Seiko Cal. 6353 - 621

The Seiko 6353-621 represents an important milestone in Seiko's 1987 lineup. Powered by the 6353 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-1a78c04e153d]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

Related Models

• Seiko 4416-602
• Seiko 3831-383
• Seiko 0797-537
• Seiko 5630-959
• Seiko 0786-319
• Seiko 6212-329
• Seiko 6610-191
• Seiko 6271-550
• Seiko 6351-275
• Seiko 7170-712
• Seiko 3864-649
• Seiko 7022-134