Seiko Cal. 6643 - 715

The Seiko 6643-715 represents an important milestone in Seiko's 1993 lineup. Powered by the 6643 caliber with 19j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-823a4945fcc4]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1993

Related Models

• Seiko 0714-537
• Seiko 6156-275
• Seiko 4425-665
• Seiko 3871-796
• Seiko 6385-227
• Seiko 7069-212
• Seiko 7114-134
• Seiko 7185-228
• Seiko 4485-823
• Seiko 5657-539
• Seiko 6320-555
• Seiko 3878-779