Seiko Cal. 5643 - 727

This Hand-Winding model from 1991 features a 41mm Gold-Plated case. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-508fcd86c688]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

Related Models

• Seiko 6681-595
• Seiko 5655-423
• Seiko 7140-117
• Seiko 7059-439
• Seiko 7068-808
• Seiko 6257-237
• Seiko 6212-549
• Seiko 5245-351
• Seiko 6284-568
• Seiko 7028-193
• Seiko 5678-108
• Seiko 6322-304