Seiko Cal. 4539 - 394

The Seiko 4539-394 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-ebb3300d2e86]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1968

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