Seiko Cal. 7137 - 123

Released in 1978, the Cal. 7137 with design code 123 was part of Seiko's domestic market collection. Powered by the 7137 caliber with 23j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-81ad442b100f]

Also known as: Bellmatic, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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