Seiko Cal. 5278 - 636

The Seiko 5278-636 represents an important milestone in Seiko's 1993 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-83bae2bfeead]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1993

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