Seiko Cal. 4546 - 521

Released in 1966, the Cal. 4546 with design code 521 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-092c5521fa3e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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