Seiko Cal. 5270 - 854

The Seiko 5270-854 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1ce88ea3274b]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1979

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