Seiko Cal. 7138 - 407

The 7138-407 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7138 caliber with 22j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6151c3a8e66a]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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