Seiko Cal. 5656 - 920

Released in 1965, the Cal. 5656 with design code 920 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-1b92c0b8b650]

Also known as: World Timer, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1965

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