Seiko Cal. 6644 - 190

The Seiko 6644-190 represents an important milestone in Seiko's 1996 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-3b7d8b80755a]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1996

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