Seiko Cal. 6181 - 528

The Seiko 6181-528 represents an important milestone in Seiko's 1965 lineup. Powered by the 6181 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-4ad2d5ddccc1]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

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