Seiko Cal. 6318 - 454

This Spring Drive model from 1981 features a 42mm Titanium case. Powered by the 6318 caliber with 29j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-28cc544906e9]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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