Seiko Cal. 6181 - 684

The Seiko 6181-684 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-39ab68ccae8e]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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