Seiko Cal. 7139 - 113

The 7139-113 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7139 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-03b7bcfa8ed6]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1994

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