Seiko Cal. 6648 - 441

The 6648-441 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-50a79e5558f2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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