Seiko Cal. 5240 - 770

The Seiko 5240-770 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c8e764ca80d9]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

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