Seiko Cal. 5681 - 311

The 5681-311 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-fedf061777ed]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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