Seiko Cal. 5241 - 850

The 5241-850 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-226e95500b9b]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1983

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