Seiko Cal. 4516 - 990

The 4516-990 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4516 caliber with 29j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-513f0d45070d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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