Seiko Cal. 5270 - 670

Released in 1967, the Cal. 5270 with design code 670 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2cbd886ee2f1]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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