Seiko Cal. 4478 - 563

This Automatic model from 1988 features a 39mm Two-Tone case. Powered by the 4478 caliber with 23j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-944b2fb57b15]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1988

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