Seiko Cal. 5621 - 933

The 5621-933 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5621 caliber with 17j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-371acf714092]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1976

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