Seiko Cal. 4450 - 177

The Seiko 4450-177 represents an important milestone in Seiko's 1970 lineup. Powered by the 4450 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-95a1fa2d9647]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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