Seiko Cal. 4528 - 137

The 4528-137 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4528 caliber with 26j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2c3b748916ab]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

Related Models

• Seiko 6354-154
• Seiko 0743-416
• Seiko 0723-961
• Seiko 6313-647
• Seiko 5248-103
• Seiko 0731-290
• Seiko 6124-364
• Seiko 6239-348
• Seiko 4533-711
• Seiko 4450-377
• Seiko 7161-636
• Seiko 6170-674