Seiko Cal. 4413 - 436

The 4413-436 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-2085329e9b5e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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