Seiko Cal. 6640 - 736

Released in 1994, the Cal. 6640 with design code 736 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9c3c12c14d2d]

Also known as: Pogue, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1994

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