Seiko Cal. 5270 - 427

The Seiko 5270-427 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-b331b8b04d0b]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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