Seiko Cal. 3873 - 450

The 3873-450 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3873 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-2a7cbb56bf55]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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