Seiko Cal. 4478 - 912

The Seiko 4478-912 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-aa5ba3874ef1]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1991

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