Seiko Cal. 6172 - 991

The Seiko 6172-991 represents an important milestone in Seiko's 1978 lineup. Powered by the 6172 caliber with 32j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-ef1b25a9b2a9]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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