Seiko Cal. 6620 - 454

The 6620-454 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6620 caliber with 35j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-efb0f0167b97]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

Related Models

• Seiko 3843-431
• Seiko 6685-701
• Seiko 6340-411
• Seiko 7052-476
• Seiko 7063-959
• Seiko 4531-364
• Seiko 6329-547
• Seiko 3871-225
• Seiko 5623-584
• Seiko 6681-542
• Seiko 6636-358
• Seiko 4431-363