Seiko Cal. 5633 - 804

The Seiko 5633-804 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-203a8b2d948a]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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