Seiko Cal. 5240 - 164

The Seiko 5240-164 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-79ffdc81076e]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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