Seiko Cal. 5238 - 781

The 5238-781 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5238 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e74889d4b306]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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