Seiko Cal. 5270 - 380

The Seiko 5270-380 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-b1c9d7e46306]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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