Seiko Cal. 4478 - 923

The Seiko 4478-923 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e2258efff2a7]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1965

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