Seiko Cal. 5241 - 227

The Seiko 5241-227 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-a12c928841a8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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