Seiko Cal. 5633 - 417

The Seiko 5633-417 represents an important milestone in Seiko's 1975 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-090317ea42bf]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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