Seiko Cal. 5645 - 361

This Hand-Winding model from 1966 features a 36mm PVD Black case. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-bf15d367de28]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1966

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