Seiko Cal. 5670 - 721

Released in 1992, the Cal. 5670 with design code 721 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-c96bd47ae750]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1992

Related Models

• Seiko 6384-419
• Seiko 4482-513
• Seiko 6647-655
• Seiko 0729-630
• Seiko 6660-359
• Seiko 7183-923
• Seiko 6322-650
• Seiko 5624-101
• Seiko 3813-886
• Seiko 6388-205
• Seiko 5250-490
• Seiko 7060-947