Seiko Cal. 3857 - 444

Released in 1980, the Cal. 3857 with design code 444 was part of Seiko's domestic market collection. Powered by the 3857 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0cff36aca56c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

Related Models

• Seiko 3859-218
• Seiko 6232-840
• Seiko 3889-425
• Seiko 6129-749
• Seiko 3810-867
• Seiko 0775-467
• Seiko 5234-908
• Seiko 0756-110
• Seiko 3859-286
• Seiko 6689-958
• Seiko 5652-262
• Seiko 4554-224