Seiko Cal. 6691 - 848

This Hand-Winding model from 1989 features a 46mm Titanium case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-82642467068a]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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