Seiko Cal. 7138 - 247

Released in 1972, the Cal. 7138 with design code 247 was part of Seiko's domestic market collection. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-cb1babbf5128]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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