Seiko Cal. 6610 - 820

The Seiko 6610-820 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-956b8e717d8c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

Related Models

• Seiko 6691-191
• Seiko 4422-724
• Seiko 6631-953
• Seiko 5255-266
• Seiko 7010-549
• Seiko 7029-119
• Seiko 5227-122
• Seiko 6168-491
• Seiko 6664-627
• Seiko 3879-975
• Seiko 6120-667
• Seiko 6189-976