Seiko Cal. 5661 - 699

This Hand-Winding model from 1993 features a 36mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-85d308b7e434]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1993

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