Seiko Cal. 5278 - 742

The Seiko 5278-742 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0dc6c4c40897]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1968

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