Seiko Cal. 5633 - 265

The Seiko 5633-265 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-2dae4dfc9abf]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1976

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