Seiko Cal. 6633 - 904

This Hand-Winding model from 1977 features a 46mm Gold-Plated case. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-002da4939fdc]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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