Seiko Cal. 6155 - 603

The 6155-603 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-6eeb7ab99115]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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