Seiko Cal. 4527 - 389

The Seiko 4527-389 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5f10b2476917]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

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