Seiko Cal. 4490 - 216

The 4490-216 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4490 caliber with 35j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-85fc682eee7e]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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