Seiko Cal. 4478 - 692

The Seiko 4478-692 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-286d64964d52]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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