Seiko Cal. 6240 - 557

The 6240-557 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-a23abfb3ab60]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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