Seiko Cal. 3877 - 503

The Seiko 3877-503 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-480c1273e75e]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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