Seiko Cal. 6336 - 621

The Seiko 6336-621 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-0df585620b0c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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