Seiko Cal. 4455 - 144

This Spring Drive model from 1970 features a 46mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-50dd54c208be]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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