Seiko Cal. 4540 - 413

Released in 1969, the Cal. 4540 with design code 413 was part of Seiko's domestic market collection. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-eaadc067ed5a]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1969

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