Seiko Cal. 4520 - 318

This Automatic model from 1990 features a 45mm Stainless Steel case. Powered by the 4520 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-6dffc13aaeef]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1990

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