Seiko Cal. 7039 - 550

The Seiko 7039-550 represents an important milestone in Seiko's 1977 lineup. Powered by the 7039 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-eb6ae1f732af]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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