Seiko Cal. 6656 - 870

Released in 1973, the Cal. 6656 with design code 870 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fa6f3cfdf3fe]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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