Seiko Cal. 5615 - 101

The 5615-101 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5615 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-abd39fb475f1]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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