Seiko Cal. 4540 - 365

The Seiko 4540-365 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-399b8c100206]

Also known as: Turtle, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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