Seiko Cal. 5271 - 978

The 5271-978 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-0317ed0852b0]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

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