Seiko Cal. 6340 - 744

Released in 1991, the Cal. 6340 with design code 744 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-de2ae27d8b49]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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