Seiko Cal. 6641 - 803

The 6641-803 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-4afb273b9a7c]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1997

Related Models

• Seiko 0794-569
• Seiko 6349-849
• Seiko 7079-838
• Seiko 7087-585
• Seiko 6636-649
• Seiko 3889-882
• Seiko 6334-757
• Seiko 7193-221
• Seiko 6325-618
• Seiko 6633-809
• Seiko 6144-332
• Seiko 0714-337