Seiko Cal. 0725 - 363

The Seiko 0725-363 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4fd95a8af149]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1965

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