Seiko Cal. 4528 - 986

Released in 1981, the Cal. 4528 with design code 986 was part of Seiko's domestic market collection. Powered by the 4528 caliber with 26j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-df2940254cf5]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

Related Models

• Seiko 0755-188
• Seiko 5226-100
• Seiko 6387-672
• Seiko 6294-734
• Seiko 7090-240
• Seiko 6699-865
• Seiko 3846-652
• Seiko 3826-655
• Seiko 6329-846
• Seiko 4435-915
• Seiko 6343-736
• Seiko 7050-901