Seiko Cal. 6181 - 328

The Seiko 6181-328 represents an important milestone in Seiko's 1969 lineup. Powered by the 6181 caliber with 29j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-aa9b3542efb3]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1969

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