Seiko Cal. 5271 - 240

The Seiko 5271-240 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-c9293acfab47]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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