Seiko Cal. 7140 - 446

The Seiko 7140-446 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0e299aa29be1]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1965

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