Seiko Cal. 7146 - 116

The 7146-116 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7146 caliber with 27j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-57da47be69d1]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1965

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