Seiko Cal. 6257 - 383

The Seiko 6257-383 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7be0334dd535]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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