Seiko Cal. 5620 - 433

The Seiko 5620-433 represents an important milestone in Seiko's 1968 lineup. Powered by the 5620 caliber with 33j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ceba56a59e32]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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