Seiko Cal. 4521 - 425

The 4521-425 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4521 caliber with 34j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b4ab8092f082]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

Related Models

• Seiko 6385-277
• Seiko 6248-782
• Seiko 5631-660
• Seiko 5241-376
• Seiko 5219-549
• Seiko 5648-310
• Seiko 4418-577
• Seiko 5682-127
• Seiko 4586-950
• Seiko 4427-991
• Seiko 4454-664
• Seiko 5222-746