Seiko Cal. 7138 - 853

The Seiko 7138-853 represents an important milestone in Seiko's 1983 lineup. Powered by the 7138 caliber with 19j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f52e711fa4eb]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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