Seiko Cal. 4450 - 870

The 4450-870 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-71304964cdd2]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1993

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