Seiko Cal. 5621 - 175

Released in 1971, the Cal. 5621 with design code 175 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-5fc693072fcf]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

Related Models

• Seiko 7030-744
• Seiko 6125-292
• Seiko 4421-832
• Seiko 6190-736
• Seiko 3895-363
• Seiko 6252-550
• Seiko 4429-371
• Seiko 0784-923
• Seiko 4431-513
• Seiko 5235-900
• Seiko 7175-459
• Seiko 6199-826