Seiko Cal. 5686 - 378

The 5686-378 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-f15c7a514e9f]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1980

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