Seiko Cal. 6138 - 220

The 6138-220 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-b8017d0c3476]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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