Seiko Cal. 5620 - 938

The 5620-938 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5620 caliber with 17j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8121fa273270]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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