Seiko Cal. 5646 - 240

The 5646-240 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-7abf2ae56eb9]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1982

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