Seiko Cal. 4521 - 771

The 4521-771 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4521 caliber with 23j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-2b84872e189c]

Also known as: Panda, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

Related Models

• Seiko 6650-122
• Seiko 3824-762
• Seiko 0726-633
• Seiko 5646-536
• Seiko 3825-857
• Seiko 6369-222
• Seiko 4478-764
• Seiko 4472-249
• Seiko 6358-902
• Seiko 6219-466
• Seiko 4542-909
• Seiko 6229-918