Seiko Cal. 6371 - 458

Released in 1969, the Cal. 6371 with design code 458 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-fa61d4cf3bdc]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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