Seiko Cal. 6615 - 228

The Seiko 6615-228 represents an important milestone in Seiko's 1978 lineup. Powered by the 6615 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-d1132b093ddb]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1978

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