Seiko Cal. 5275 - 375

Released in 1974, the Cal. 5275 with design code 375 was part of Seiko's domestic market collection. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-75bf5fd17144]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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