Seiko Cal. 6365 - 578

The Seiko 6365-578 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-5518fbbd7f54]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1973

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