Seiko Cal. 6653 - 687

The 6653-687 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-63e9ad965fce]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

Related Models

• Seiko 5296-641
• Seiko 4466-459
• Seiko 4588-532
• Seiko 7134-859
• Seiko 3841-877
• Seiko 7084-398
• Seiko 7020-328
• Seiko 6189-233
• Seiko 3878-336
• Seiko 4594-836
• Seiko 6632-436
• Seiko 0778-862