Seiko Cal. 5257 - 218

The Seiko 5257-218 represents an important milestone in Seiko's 1973 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f1273b56f16e]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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