Seiko Cal. 5654 - 836

The Seiko 5654-836 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-6743e82e5933]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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