Seiko Cal. 5270 - 840

Released in 1971, the Cal. 5270 with design code 840 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-21dd30af5403]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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