Seiko Cal. 5261 - 674

The Seiko 5261-674 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-a7b994967f9e]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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