Seiko Cal. 6643 - 291

The Seiko 6643-291 represents an important milestone in Seiko's 1995 lineup. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2fc5770a5c10]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1995

Related Models

• Seiko 6250-856
• Seiko 4581-477
• Seiko 4585-793
• Seiko 6163-745
• Seiko 6621-403
• Seiko 7149-705
• Seiko 0733-588
• Seiko 6226-851
• Seiko 6199-378
• Seiko 4429-213
• Seiko 6377-113
• Seiko 6396-645