Seiko Cal. 6646 - 387

The 6646-387 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-d1298501749c]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1992

Related Models

• Seiko 6665-359
• Seiko 5663-199
• Seiko 4444-112
• Seiko 7037-912
• Seiko 6675-509
• Seiko 6612-949
• Seiko 4548-502
• Seiko 4419-650
• Seiko 6626-188
• Seiko 6237-847
• Seiko 4450-884
• Seiko 6337-863