Seiko Cal. 7128 - 105

The Seiko 7128-105 represents an important milestone in Seiko's 1971 lineup. Powered by the 7128 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-35d89a0a472c]

Also known as: Monster, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1971

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