Seiko Cal. 6641 - 204

The Seiko 6641-204 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-9b162fba0ca7]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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