Seiko Cal. 6181 - 869

The Seiko 6181-869 represents an important milestone in Seiko's 1971 lineup. Powered by the 6181 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-e6c0cd156491]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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