Seiko Cal. 4456 - 372

Released in 1976, the Cal. 4456 with design code 372 was part of Seiko's domestic market collection. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-455cd3ddae34]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1976

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