Seiko Cal. 6147 - 639

The Seiko 6147-639 represents an important milestone in Seiko's 1991 lineup. Powered by the 6147 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-505060c3bad9]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

Related Models

• Seiko 7111-386
• Seiko 6337-590
• Seiko 5226-717
• Seiko 6618-868
• Seiko 4420-670
• Seiko 7175-383
• Seiko 3876-213
• Seiko 6650-573
• Seiko 3899-741
• Seiko 3868-285
• Seiko 6124-944
• Seiko 4422-397