Seiko Cal. 5684 - 361

Released in 1989, the Cal. 5684 with design code 361 was part of Seiko's domestic market collection. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-9ac084eb2f28]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1989

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