Seiko Cal. 5285 - 709

The 5285-709 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5285 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-ac56d58e072c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

Related Models

• Seiko 6666-514
• Seiko 7083-155
• Seiko 4560-378
• Seiko 4533-912
• Seiko 6218-376
• Seiko 6616-215
• Seiko 5644-139
• Seiko 4557-602
• Seiko 4415-731
• Seiko 5688-738
• Seiko 4551-982
• Seiko 3859-876