Seiko Cal. 5657 - 258

Released in 1982, the Cal. 5657 with design code 258 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-72218f3bc2a1]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1982

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