Seiko Cal. 7145 - 227

The 7145-227 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3b9305ba26ab]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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