Seiko Cal. 4515 - 753

The Seiko 4515-753 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-4f4849674974]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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