Seiko Cal. 7139 - 220

The Seiko 7139-220 represents an important milestone in Seiko's 1971 lineup. Powered by the 7139 caliber with 25j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-eaccd85f511d]

Also known as: Panda, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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