Seiko Cal. 6177 - 750

This Spring Drive model from 1975 features a 34mm Stainless Steel case. Powered by the 6177 caliber with 28j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e82574f3e446]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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