Seiko Cal. 5621 - 676

Released in 1972, the Cal. 5621 with design code 676 was part of Seiko's domestic market collection. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0de4fe9da6a6]

Also known as: Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

Related Models

• Seiko 6664-495
• Seiko 6113-903
• Seiko 6217-458
• Seiko 6188-731
• Seiko 7021-778
• Seiko 3845-494
• Seiko 6610-720
• Seiko 4567-772
• Seiko 5226-201
• Seiko 3849-452
• Seiko 6610-796
• Seiko 4454-563