Seiko Cal. 0727 - 504

This Quartz model from 1971 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-1ac5c77b6abc]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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