Seiko Cal. 7188 - 721

The Seiko 7188-721 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-8cc888cdcbdb]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1993

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