Seiko Cal. 7138 - 237

The 7138-237 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7138 caliber with 24j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-05d2bf283bff]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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