Seiko Cal. 6312 - 304

The Seiko 6312-304 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-09a58d663139]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1993

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