Seiko Cal. 5663 - 536

This Automatic model from 1970 features a 41mm Two-Tone case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-307ea6f68206]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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