Seiko Cal. 7121 - 531

The 7121-531 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-478250143dfd]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

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