Seiko Cal. 6640 - 292

The 6640-292 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6a425924704d]

Also known as: Panda, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

Related Models

• Seiko 6178-459
• Seiko 6353-432
• Seiko 7041-157
• Seiko 7119-141
• Seiko 6197-929
• Seiko 6391-499
• Seiko 4449-222
• Seiko 5645-255
• Seiko 4531-255
• Seiko 3848-513
• Seiko 6169-181
• Seiko 0770-922