Seiko Cal. 4537 - 365

The 4537-365 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4537 caliber with 35j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-c5d639b66cd2]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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