Seiko Cal. 5270 - 340

The Seiko 5270-340 represents an important milestone in Seiko's 1985 lineup. Powered by the 5270 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e83caf16d6cf]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

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