Seiko Cal. 6645 - 876

The Seiko 6645-876 represents an important milestone in Seiko's 1999 lineup. Powered by the 6645 caliber with 23j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-2e7afc467a3e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1999

Related Models

• Seiko 4591-135
• Seiko 6376-700
• Seiko 5277-123
• Seiko 5266-166
• Seiko 3888-423
• Seiko 7029-126
• Seiko 6658-869
• Seiko 7196-405
• Seiko 6394-663
• Seiko 7014-931
• Seiko 6148-775
• Seiko 6247-479