Seiko Cal. 6188 - 642

The Seiko 6188-642 represents an important milestone in Seiko's 1999 lineup. Powered by the 6188 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-c5f55aa73d6f]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1999

Related Models

• Seiko 5242-263
• Seiko 6184-956
• Seiko 6640-305
• Seiko 6267-237
• Seiko 7163-577
• Seiko 6690-415
• Seiko 7064-697
• Seiko 3845-580
• Seiko 5648-557
• Seiko 6686-848
• Seiko 5650-433
• Seiko 7065-779