Seiko Cal. 6238 - 900

The Seiko 6238-900 represents an important milestone in Seiko's 1974 lineup. Powered by the 6238 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-08d6fe29f429]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

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