Seiko Cal. 4533 - 280

This Hand-Winding model from 1975 features a 37mm Two-Tone case. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-53b7645cbb43]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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