Seiko Cal. 6646 - 176

The 6646-176 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-b54c8ec19cc4]

Also known as: Monster, Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 6226-331
• Seiko 6140-900
• Seiko 6174-700
• Seiko 3847-979
• Seiko 0788-308
• Seiko 5250-670
• Seiko 5630-578
• Seiko 0783-665
• Seiko 6133-641
• Seiko 4534-235
• Seiko 5678-119
• Seiko 5277-578