Seiko Cal. 6646 - 788

The 6646-788 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-49f879162858]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

Related Models

• Seiko 7189-656
• Seiko 4469-180
• Seiko 5679-201
• Seiko 5214-604
• Seiko 7198-485
• Seiko 5237-810
• Seiko 7040-486
• Seiko 6237-548
• Seiko 5632-302
• Seiko 4539-632
• Seiko 6648-486
• Seiko 4410-350