Seiko Cal. 5656 - 928

The 5656-928 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-5afd3a2a795e]

Also known as: Rally, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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