Seiko Cal. 6616 - 435

This Hand-Winding model from 1986 features a 42mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-5c0168251ebb]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1986

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