Seiko Cal. 5657 - 757

Released in 1971, the Cal. 5657 with design code 757 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-3b1cb0db7115]

Also known as: Pogue, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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