Seiko Cal. 5660 - 278

The 5660-278 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-4ce67dfc865c]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1996

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