Seiko Cal. 5278 - 724

The Seiko 5278-724 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4caf810a1c0a]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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