Seiko Cal. 5633 - 335

The Seiko 5633-335 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c6af9f0ae277]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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