Seiko Cal. 5641 - 718

The Seiko 5641-718 represents an important milestone in Seiko's 1997 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-dc5ba0b868cf]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1997

Related Models

• Seiko 0749-440
• Seiko 6682-425
• Seiko 6374-504
• Seiko 7173-714
• Seiko 6238-795
• Seiko 6664-504
• Seiko 7141-784
• Seiko 6371-822
• Seiko 5628-586
• Seiko 4540-102
• Seiko 6224-203
• Seiko 6219-844