Seiko Cal. 4457 - 661

The Seiko 4457-661 represents an important milestone in Seiko's 1983 lineup. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-2dfa57cf8b07]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1983

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