Seiko Cal. 7155 - 388

The Seiko 7155-388 represents an important milestone in Seiko's 1988 lineup. Powered by the 7155 caliber with 22j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-d6b191d1f95b]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1988

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