Seiko Cal. 6623 - 738

The Seiko 6623-738 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-e8746d41e968]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

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