Seiko Cal. 6641 - 492

Released in 1983, the Cal. 6641 with design code 492 was part of Seiko's domestic market collection. Powered by the 6641 caliber with 25j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-50ce4ea03b04]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1983

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