Seiko Cal. 6613 - 821

This Spring Drive model from 1986 features a 46mm Hardlex-Coated Steel case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5411c44f64d6]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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