Seiko Cal. 5699 - 270

The Seiko 5699-270 represents an important milestone in Seiko's 1969 lineup. Powered by the 5699 caliber with 20j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-601c512bc9fe]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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