Seiko Cal. 4455 - 643

The Seiko 4455-643 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-675a56e1976a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 4423-345
• Seiko 0759-754
• Seiko 6368-579
• Seiko 4549-354
• Seiko 4466-244
• Seiko 0729-366
• Seiko 7082-277
• Seiko 5650-737
• Seiko 6628-503
• Seiko 5224-391
• Seiko 6190-122
• Seiko 5682-801