Seiko Cal. 6161 - 603

The Seiko 6161-603 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-df5624b65e1e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1966

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