Seiko Cal. 6135 - 463

The Seiko 6135-463 represents an important milestone in Seiko's 1968 lineup. Powered by the 6135 caliber with 25j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-070b74ca7348]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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