Seiko Cal. 6657 - 593

The 6657-593 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-ad44dc1a64f4]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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