Seiko Cal. 6644 - 356

The 6644-356 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-0e74e2ba839c]

Also known as: Rally, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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