Seiko Cal. 7187 - 683

The Seiko 7187-683 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-45bfd9a9e931]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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