Seiko Cal. 7140 - 727

The Seiko 7140-727 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-0b3152da4e3e]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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