Seiko Cal. 6644 - 783

The 6644-783 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-9e3301ba62bd]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1996

Related Models

• Seiko 3844-378
• Seiko 7185-384
• Seiko 6141-923
• Seiko 7054-622
• Seiko 4494-310
• Seiko 6218-642
• Seiko 3837-430
• Seiko 0796-409
• Seiko 7098-546
• Seiko 6284-582
• Seiko 7089-141
• Seiko 3823-621