Seiko Cal. 6172 - 378

The Seiko 6172-378 represents an important milestone in Seiko's 1985 lineup. Powered by the 6172 caliber with 24j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-9d9aaf20fcdf]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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