Seiko Cal. 6344 - 636

The Seiko 6344-636 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-be5a1506aa3a]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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