Seiko Cal. 6641 - 499

Released in 1979, the Cal. 6641 with design code 499 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-d9c4a6bc5ad8]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1979

Related Models

• Seiko 6257-641
• Seiko 5218-534
• Seiko 7185-507
• Seiko 0739-194
• Seiko 3839-566
• Seiko 5263-623
• Seiko 6362-896
• Seiko 6237-354
• Seiko 4528-807
• Seiko 4449-688
• Seiko 6238-699
• Seiko 6220-853