Seiko Cal. 4556 - 729

The 4556-729 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4556 caliber with 31j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-56b2d1da134e]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1966

Related Models

• Seiko 5634-548
• Seiko 0739-151
• Seiko 0782-449
• Seiko 0720-199
• Seiko 5249-941
• Seiko 6357-126
• Seiko 0713-235
• Seiko 4511-459
• Seiko 3857-238
• Seiko 4526-504
• Seiko 5225-204
• Seiko 5656-321