Seiko Cal. 5663 - 836

The Seiko 5663-836 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-647ce3ceba08]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1986

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