Seiko Cal. 4538 - 440

Released in 1971, the Cal. 4538 with design code 440 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-1caecec13eb3]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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