Seiko Cal. 5663 - 426

The Seiko 5663-426 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-9030fbb19659]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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