Seiko Cal. 5641 - 206

The 5641-206 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-589db237dcb8]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1995

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