Seiko Cal. 6677 - 233

The Seiko 6677-233 represents an important milestone in Seiko's 1975 lineup. Powered by the 6677 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-84fefe7ad9d5]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

Related Models

• Seiko 0766-984
• Seiko 7069-225
• Seiko 6393-248
• Seiko 7029-672
• Seiko 0757-958
• Seiko 6270-518
• Seiko 6623-692
• Seiko 7091-246
• Seiko 5215-114
• Seiko 7192-579
• Seiko 5684-852
• Seiko 6152-203