Seiko Cal. 5686 - 820

The 5686-820 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-5d4d7ac87cb1]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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