Seiko Cal. 5240 - 365

The Seiko 5240-365 represents an important milestone in Seiko's 1978 lineup. Powered by the 5240 caliber with 33j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-f2e058e98965]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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