Seiko Cal. 7138 - 290

The Seiko 7138-290 represents an important milestone in Seiko's 1976 lineup. Powered by the 7138 caliber with 22j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-1538e7be5225]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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