Seiko Cal. 4478 - 263

This Automatic model from 1981 features a 35mm Gold-Plated case. Powered by the 4478 caliber with 17j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-545b6f45926b]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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