Seiko Cal. 6644 - 499

The Seiko 6644-499 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-333e03adc259]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1978

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