Seiko Cal. 5617 - 904

The Seiko 5617-904 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-04478b7080a8]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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