Seiko Cal. 6615 - 401

The Seiko 6615-401 represents an important milestone in Seiko's 1978 lineup. Powered by the 6615 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-07ecc31c5167]

Also known as: Sea Horse, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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