Seiko Cal. 7121 - 510

This Spring Drive model from 1987 features a 44mm Hardlex-Coated Steel case. Powered by the 7121 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-f86615a13754]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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