Seiko Cal. 7137 - 717

The Seiko 7137-717 represents an important milestone in Seiko's 1990 lineup. Powered by the 7137 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-e5592d4f9484]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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