Seiko Cal. 6621 - 477

The Seiko 6621-477 represents an important milestone in Seiko's 1965 lineup. Powered by the 6621 caliber with 24j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2de6970c2e9d]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

Related Models

• Seiko 4525-305
• Seiko 6622-616
• Seiko 6374-168
• Seiko 5284-148
• Seiko 5265-363
• Seiko 3810-727
• Seiko 7193-992
• Seiko 5622-573
• Seiko 7077-559
• Seiko 0710-856
• Seiko 4525-591
• Seiko 5257-237