Seiko Cal. 7155 - 642

The Seiko 7155-642 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-08c14e64891d]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1972

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