Seiko Cal. 5270 - 390

This Hand-Winding model from 1980 features a 42mm Stainless Steel case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-d8508952fba4]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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