Seiko Cal. 4413 - 616

The Seiko 4413-616 represents an important milestone in Seiko's 1986 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-154058dc035e]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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