Seiko Cal. 6320 - 447

The Seiko 6320-447 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-bbad90057606]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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