Seiko Cal. 4437 - 559

The Seiko 4437-559 represents an important milestone in Seiko's 1989 lineup. Powered by the 4437 caliber with 17j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-6be7405f3334]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1989

Related Models

• Seiko 6613-571
• Seiko 6264-503
• Seiko 7063-222
• Seiko 6133-414
• Seiko 3811-973
• Seiko 7158-275
• Seiko 4457-988
• Seiko 3852-964
• Seiko 0719-617
• Seiko 5221-191
• Seiko 0787-368
• Seiko 3846-980