Seiko Cal. 5676 - 731

Released in 1966, the Cal. 5676 with design code 731 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-0cc3538dd257]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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