Seiko Cal. 6620 - 336

The 6620-336 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-ddd85ff02745]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1982

Related Models

• Seiko 7196-862
• Seiko 7169-457
• Seiko 5240-644
• Seiko 6290-523
• Seiko 6216-462
• Seiko 6254-362
• Seiko 7083-975
• Seiko 7198-725
• Seiko 6272-222
• Seiko 7189-148
• Seiko 4518-132
• Seiko 6317-911