Seiko Cal. 6644 - 825

Released in 1986, the Cal. 6644 with design code 825 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-528aa89cb58e]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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