Seiko Cal. 6648 - 437

This Hand-Winding model from 1998 features a 36mm Gold-Plated case. Powered by the 6648 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-608e2283cbde]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1998

Related Models

• Seiko 6280-564
• Seiko 6319-757
• Seiko 4418-193
• Seiko 4560-601
• Seiko 6699-712
• Seiko 6656-978
• Seiko 7048-163
• Seiko 6624-724
• Seiko 6686-297
• Seiko 6256-757
• Seiko 5620-423
• Seiko 6654-533