Seiko Cal. 6137 - 633

The 6137-633 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-28d633e54910]

Also known as: Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1986

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