Seiko Cal. 6621 - 274

The Seiko 6621-274 represents an important milestone in Seiko's 1965 lineup. Powered by the 6621 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-854bd01b3f5f]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

Related Models

• Seiko 6655-537
• Seiko 4489-464
• Seiko 5241-695
• Seiko 5288-574
• Seiko 5241-112
• Seiko 6161-582
• Seiko 4477-584
• Seiko 6156-987
• Seiko 5222-569
• Seiko 6125-319
• Seiko 5282-466
• Seiko 5647-314