Seiko Cal. 7138 - 388

The 7138-388 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cc0b6526976d]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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