Seiko Cal. 5657 - 256

Released in 1997, the Cal. 5657 with design code 256 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-78b4c76bd4da]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1997

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