Seiko Cal. 7138 - 599

The Seiko 7138-599 represents an important milestone in Seiko's 1981 lineup. Powered by the 7138 caliber with 23j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-127ac5a0dacc]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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