Seiko Cal. 4486 - 906

The Seiko 4486-906 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-51005579d2f4]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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