Seiko Cal. 4427 - 520

The 4427-520 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-c15139ddea59]

Also known as: Pogue, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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