Seiko Cal. 6152 - 138

The Seiko 6152-138 represents an important milestone in Seiko's 1977 lineup. Powered by the 6152 caliber with 31j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-692615b84de8]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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