Seiko Cal. 6163 - 771

The Seiko 6163-771 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-394c414c9a52]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

Related Models

• Seiko 5245-622
• Seiko 0713-755
• Seiko 6644-268
• Seiko 7173-534
• Seiko 3842-882
• Seiko 6613-487
• Seiko 6261-177
• Seiko 4422-534
• Seiko 5271-329
• Seiko 6169-882
• Seiko 5290-853
• Seiko 6219-891