Seiko Cal. 6635 - 321

Released in 1990, the Cal. 6635 with design code 321 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-09d7aa54905b]

Also known as: Panda, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

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