Seiko Cal. 4542 - 649

The Seiko 4542-649 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ea5883a77f02]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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