Seiko Cal. 6140 - 320

The Seiko 6140-320 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-9736050c0500]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1981

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