Seiko Cal. 6316 - 263

The Seiko 6316-263 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-5c2201fe23dd]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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