Seiko Cal. 6623 - 440

The Seiko 6623-440 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2c18018bbca4]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1976

Related Models

• Seiko 4576-244
• Seiko 6295-600
• Seiko 5614-878
• Seiko 0775-815
• Seiko 0797-532
• Seiko 4420-809
• Seiko 7060-225
• Seiko 6243-563
• Seiko 6261-684
• Seiko 6195-322
• Seiko 0763-608
• Seiko 7199-129