Seiko Cal. 6353 - 536

The Seiko 6353-536 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2dbeedd21b6e]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1968

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