Seiko Cal. 5278 - 553

The Seiko 5278-553 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-a9c21cad441b]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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