Seiko Cal. 5691 - 211

Released in 1973, the Cal. 5691 with design code 211 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-800ed4b22112]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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