Seiko Cal. 6180 - 439

The 6180-439 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-2671932456b1]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1987

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