Seiko Cal. 5612 - 685

The 5612-685 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-c46bb3c5ef2c]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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