Seiko Cal. 6641 - 480

The 6641-480 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-faf8bc7fe49b]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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