Seiko Cal. 4550 - 581

This Solar model from 1985 features a 44mm Titanium case. Powered by the 4550 caliber with 27j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-0e0072408b8c]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1985

Related Models

• Seiko 6246-182
• Seiko 7050-918
• Seiko 0784-421
• Seiko 5680-351
• Seiko 5279-447
• Seiko 6121-547
• Seiko 4471-411
• Seiko 6638-519
• Seiko 6245-480
• Seiko 7184-106
• Seiko 5287-922
• Seiko 5234-567