Seiko Cal. 7147 - 104

The 7147-104 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7147 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-9142d4ad3a98]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

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