Seiko Cal. 6181 - 517

The Seiko 6181-517 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-41303f892e88]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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