Seiko Cal. 4431 - 176

The 4431-176 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4431 caliber with 33j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9a3fd9aff693]

Also known as: Bellmatic, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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