Seiko Cal. 5691 - 163

The Seiko 5691-163 represents an important milestone in Seiko's 1995 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-109bcfae0b9d]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1995

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