Seiko Cal. 5640 - 272

The Seiko 5640-272 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-176f6a7b1b65]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1976

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