Seiko Cal. 6615 - 306

The Seiko 6615-306 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-b3da4efbbd05]

Also known as: Rally, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

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