Seiko Cal. 5278 - 509

The Seiko 5278-509 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-f3ecdeae7faf]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1992

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