Seiko Cal. 7188 - 548

Released in 1978, the Cal. 7188 with design code 548 was part of Seiko's domestic market collection. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-00aceb4ed9f8]

Also known as: Navigator, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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