Seiko Cal. 4521 - 688

The 4521-688 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4521 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-64417e9bea99]

Also known as: Shogun, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 6129-677
• Seiko 6661-418
• Seiko 5643-602
• Seiko 5210-529
• Seiko 7047-139
• Seiko 7152-344
• Seiko 0731-103
• Seiko 5617-195
• Seiko 5265-537
• Seiko 5679-847
• Seiko 5280-647
• Seiko 7160-653