Seiko Cal. 6656 - 641

Released in 1975, the Cal. 6656 with design code 641 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-aac1af71d4b8]

Also known as: Pogue, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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