Seiko Cal. 5660 - 593

The 5660-593 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-6c2ae99d739b]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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