Seiko Cal. 6617 - 370

The Seiko 6617-370 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e23ad4cfdc53]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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