Seiko Cal. 7121 - 638

The 7121-638 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-d788ce9a1319]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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