Seiko Cal. 4421 - 788

The Seiko 4421-788 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-8699a3640698]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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