Seiko Cal. 7139 - 741

The Seiko 7139-741 represents an important milestone in Seiko's 1984 lineup. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-c6392ad71c9d]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1984

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