Seiko Cal. 5686 - 921

The Seiko 5686-921 represents an important milestone in Seiko's 1986 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-7fa0ce621210]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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