Seiko Cal. 6623 - 486

The Seiko 6623-486 represents an important milestone in Seiko's 1975 lineup. Powered by the 6623 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-be5dddd259c2]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

Related Models

• Seiko 6161-135
• Seiko 5691-719
• Seiko 5677-876
• Seiko 6645-213
• Seiko 4454-130
• Seiko 4465-542
• Seiko 6146-680
• Seiko 5625-554
• Seiko 6367-649
• Seiko 5681-542
• Seiko 6168-204
• Seiko 7139-755