Seiko Cal. 5215 - 631

The 5215-631 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7987b6342feb]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1975

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