Seiko Cal. 6172 - 690

The Seiko 6172-690 represents an important milestone in Seiko's 1978 lineup. Powered by the 6172 caliber with 20j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-1ea6c8d06051]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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