Seiko Cal. 5620 - 138

The 5620-138 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5620 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-4a1061f44f5b]

Also known as: Bullhead, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1993

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