Seiko Cal. 4411 - 615

The Seiko 4411-615 represents an important milestone in Seiko's 1978 lineup. Powered by the 4411 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a0bf7eba446c]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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