Seiko Cal. 6278 - 521

This Automatic model from 1967 features a 45mm Hardlex-Coated Steel case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1b78e5ab3b83]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1967

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