Seiko Cal. 6240 - 475

The 6240-475 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b07c127c622b]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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