Seiko Cal. 7186 - 680

This Quartz model from 1978 features a 37mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d5009b5cf613]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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