Seiko Cal. 6181 - 783

The Seiko 6181-783 represents an important milestone in Seiko's 1976 lineup. Powered by the 6181 caliber with 23j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-43499f9d5f3e]

Also known as: Turtle, Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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