Seiko Cal. 0750 - 640

Released in 1968, the Cal. 0750 with design code 640 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-2fca5afebbec]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

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