Seiko Cal. 5261 - 495

This Hand-Winding model from 1975 features a 43mm PVD Black case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-fbe545fce818]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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