Seiko Cal. 5666 - 957

Released in 1988, the Cal. 5666 with design code 957 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-3a1574331e82]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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