Seiko Cal. 4450 - 457

The Seiko 4450-457 represents an important milestone in Seiko's 1987 lineup. Powered by the 4450 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-4b79294070fc]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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