Seiko Cal. 4418 - 181

The 4418-181 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4418 caliber with 18j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-135c2d86d659]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1980

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