Seiko Cal. 6677 - 481

This Automatic model from 1978 features a 40mm Stainless Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b8b7c2f7d985]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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