Seiko Cal. 6138 - 431

The 6138-431 is a sought-after Solar piece from Seiko's golden era. Powered by the 6138 caliber with 31j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-117163746efd]

Also known as: Rally, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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