Seiko Cal. 7121 - 771

This Spring Drive model from 1991 features a 38mm Two-Tone case. Powered by the 7121 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-73e01ed239c3]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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