Seiko Cal. 6344 - 621

The 6344-621 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6344 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-1817546accb9]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

Related Models

• Seiko 5221-444
• Seiko 6196-784
• Seiko 5215-466
• Seiko 6235-436
• Seiko 6199-934
• Seiko 6372-211
• Seiko 6399-971
• Seiko 5633-547
• Seiko 6317-439
• Seiko 3872-926
• Seiko 6187-965
• Seiko 6161-856