Seiko Cal. 6641 - 243

The 6641-243 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-82319cc69b64]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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