Seiko Cal. 4452 - 315

The 4452-315 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-8a229ddcb0f9]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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