Seiko Cal. 6644 - 919

The Seiko 6644-919 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-f1d9879ebc94]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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